Lamp



FIG. 1 is a perspective view showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right elevational view thereof; and,

FIG. 4 is a top plan view thereof.

The broken lines shown in FIGS. 3 and 4 form no part of the claimed design. 

CLAIM The ornamental design for a lamp, as shown and described. 